Mouse pad



FIG. 1 is a perspective view of a mouse pad, the broken line drawing of a computer mouse is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side view thereof, the opposite side is a mirror image; and,

FIG. 3 is a bottom, opposite side, rear perspective view thereof. 

The ornamental design for a mouse pad, as shown and described. 